Polymerisate
聚合产物
🗣️ 情景例句
Michelle has been a different kid since we've been married.
自从我们结婚之后， Michelle变成另一个人了。
I may be wrong, but your theory is all wrong, professor.
也许我不对，不过，教授您的理论是完全错了。
Firemen had been fighting the forest for nearly three weeks before they could get it under control.
消防队员们同那场森林大火搏斗了将近3个星期才最后把火势控制住。